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seek: Add support for the navigation interface

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This commit is contained in:
Sebastian Dröge 2012-02-20 14:57:36 +01:00
parent 4262e93019
commit e87f71245f
1 changed files with 99 additions and 0 deletions
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99
tests/examples/seek/seek.c
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@ -45,6 +45,7 @@
#endif
#include <gst/interfaces/xoverlay.h>
#include <gst/interfaces/navigation.h>
GST_DEBUG_CATEGORY_STATIC (seek_debug);
#define GST_CAT_DEFAULT (seek_debug)
@ -2462,8 +2463,33 @@ msg_clock_lost (GstBus * bus, GstMessage * message, GstPipeline * data)
#if defined (GDK_WINDOWING_X11) || defined (GDK_WINDOWING_WIN32) || defined (GDK_WINDOWING_QUARTZ)
static GstElement *xoverlay_element = NULL;
static GstElement *navigation_element = NULL;
static guintptr embed_xid = 0;
static void
find_navigation_element (void)
{
GstElement *video_sink;
g_object_get (pipeline, "video-sink", &video_sink, NULL);
if (!video_sink)
return;
if (navigation_element)
gst_object_unref (navigation_element);
if (GST_IS_NAVIGATION (video_sink)) {
navigation_element = gst_object_ref (video_sink);
} else if (GST_IS_BIN (video_sink)) {
navigation_element =
gst_bin_get_by_interface (GST_BIN (video_sink), GST_TYPE_NAVIGATION);
} else {
navigation_element = NULL;
}
gst_object_unref (video_sink);
}
/* We set the xid here in response to the prepare-xwindow-id message via a
* bus sync handler because we don't know the actual videosink used from the
* start (as we don't know the pipeline, or bin elements such as autovideosink
@ -2495,6 +2521,9 @@ bus_sync_handler (GstBus * bus, GstMessage * message, GstPipeline * data)
g_assert (embed_xid != 0);
gst_x_overlay_set_window_handle (GST_X_OVERLAY (element), embed_xid);
gst_x_overlay_handle_events (GST_X_OVERLAY (element), FALSE);
find_navigation_element ();
}
return GST_BUS_PASS;
}
@ -2542,6 +2571,60 @@ realize_cb (GtkWidget * widget, gpointer data)
#endif
}
static gboolean
button_press_cb (GtkWidget * widget, GdkEventButton * event, gpointer user_data)
{
gtk_widget_grab_focus (widget);
if (navigation_element)
gst_navigation_send_mouse_event (GST_NAVIGATION (navigation_element),
"mouse-button-press", event->button, event->x, event->y);
return FALSE;
}
static gboolean
button_release_cb (GtkWidget * widget, GdkEventButton * event,
gpointer user_data)
{
if (navigation_element)
gst_navigation_send_mouse_event (GST_NAVIGATION (navigation_element),
"mouse-button-release", event->button, event->x, event->y);
return FALSE;
}
static gboolean
key_press_cb (GtkWidget * widget, GdkEventKey * event, gpointer user_data)
{
if (navigation_element)
gst_navigation_send_key_event (GST_NAVIGATION (navigation_element),
"key-press", gdk_keyval_name (event->keyval));
return FALSE;
}
static gboolean
key_release_cb (GtkWidget * widget, GdkEventKey * event, gpointer user_data)
{
if (navigation_element)
gst_navigation_send_key_event (GST_NAVIGATION (navigation_element),
"key-release", gdk_keyval_name (event->keyval));
return FALSE;
}
static gboolean
motion_notify_cb (GtkWidget * widget, GdkEventMotion * event,
gpointer user_data)
{
if (navigation_element)
gst_navigation_send_mouse_event (GST_NAVIGATION (navigation_element),
"mouse-move", 0, event->x, event->y);
return FALSE;
}
static void
msg_eos (GstBus * bus, GstMessage * message, GstPipeline * data)
{
@ -2752,7 +2835,21 @@ main (int argc, char **argv)
video_window = gtk_drawing_area_new ();
g_signal_connect (video_window, "draw", G_CALLBACK (draw_cb), NULL);
g_signal_connect (video_window, "realize", G_CALLBACK (realize_cb), NULL);
g_signal_connect (video_window, "button-press-event",
G_CALLBACK (button_press_cb), NULL);
g_signal_connect (video_window, "button-release-event",
G_CALLBACK (button_release_cb), NULL);
g_signal_connect (video_window, "key-press-event", G_CALLBACK (key_press_cb),
NULL);
g_signal_connect (video_window, "key-release-event",
G_CALLBACK (key_release_cb), NULL);
g_signal_connect (video_window, "motion-notify-event",
G_CALLBACK (motion_notify_cb), NULL);
gtk_widget_set_can_focus (video_window, TRUE);
gtk_widget_set_double_buffered (video_window, FALSE);
gtk_widget_add_events (video_window,
GDK_POINTER_MOTION_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
| GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK);
statusbar = gtk_statusbar_new ();
status_id = gtk_statusbar_get_context_id (GTK_STATUSBAR (statusbar), "seek");
@ -3039,6 +3136,8 @@ main (int argc, char **argv)
if (xoverlay_element)
gst_object_unref (xoverlay_element);
if (navigation_element)
gst_object_unref (navigation_element);
g_print ("free pipeline\n");
gst_object_unref (pipeline);